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Finding the Fourth Proportional to 158,532.80, 237,831.60 and 53,362.40

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Solution

The fourth proportional to 158,532.80, 237,831.60 and 53,362.40 is: 80,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,532.80 : 237,831.60 = 53,362.40 : x
  2. Step 2: Convert to fraction form
    158,532.80/237,831.60 = 53,362.40/x
  3. Step 3: Cross multiply
    158,532.80x = 237,831.60 × 53,362.40
  4. Step 4: Simplify right side
    158,532.80x = 12,691,264,971.84
  5. Step 5: Solve for x
    x = 12,691,264,971.84/158,532.80
  6. Step 6: Final answer
    x = 80,054.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.